Table of Contents
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THE AUDIO CAN NOT
RECORD
Is bias level at L102 OK ?
YES
Is there audio signal
at pin 1 of IC101 ?
YES
Is there voltage of
base of Q103 about 5V ?
YES
Is there a sine wave
at pin 6 of L102 ?
YES
Check lead wire of A/C HEAD
and CONNECTOR.
TROUBLESHOOTING GUIDE
Is starting recording is
NO
there sine wave at pin 98
Check disconnection
and short of L102.
NO
NO
NO
E-20
of IC101?
YES
NO
Check POWER BLOCK and
voltage of base of Q103.
Check IC701 and the circuit
from TUNER or audio input
jack to IC701.
Change Q103.
Change L102.
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